Utility (Optical mono volume pedal (treadle)) · $72
The George Dennis GD20 Mono Volume is an analog optical mono volume pedal (treadle) pedal based on the Optically controlled volume, with Volume (treadle) controls, made in Czech Republic. From $72.
| Category | Utility (Optical mono volume pedal (treadle)) |
| Circuit / based on | Optically controlled volume |
| Signal | Analog |
| Controls | Volume (treadle) |
| I/O | Mono in/out |
| Country of manufacture | Czech Republic |